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Z88

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Message 51833 - Posted: 5 Dec 2011, 9:08:49 UTC

Hello!

Since the upgrade to Catalyst 11.11 I´m getting calculation errors on my ATI graphics cards. I checked the install, everything is ok. I´m running the latest BOINC version. Before the upgrade everything was fine and nothing else was altered. All other stuff except Milkyway runs fine.

System 1:
Win 7 64bit
4x ATI 4850 PCI-E

System 2:
Win 7 32bit
1x ATI 3850 AGP
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weasel473

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Message 52043 - Posted: 24 Dec 2011, 12:38:18 UTC

Same here. Computation errors all over.
Work will be between 1 and 3 seconds, then error.

Win 7 Ultimate 64-bit
AMD 965 BE 3.4Ghz
2 X XFX ATI HD4890 1GB DDR5 CrossfireX mode

I've used the 11.11 and 11.12 CCC drivers.

Log says finished, Status in client all says computation error. Is this normal?

12/24/2011 7:25:51 AM | Milkyway@home | Fetching scheduler list
12/24/2011 7:25:52 AM | Milkyway@home | Master file download succeeded
12/24/2011 7:25:57 AM | Milkyway@home | Sending scheduler request: To fetch work.
12/24/2011 7:25:57 AM | Milkyway@home | Reporting 21 completed tasks, requesting new tasks for ATI GPU
12/24/2011 7:26:00 AM | Milkyway@home | Scheduler request completed: got 18 new tasks
12/24/2011 7:26:03 AM | Milkyway@home | Started download of single_t82_1_2.txt
12/24/2011 7:26:08 AM | Milkyway@home | Finished download of single_t82_1_2.txt
12/24/2011 7:26:08 AM | Milkyway@home | Starting task ps_separation_82_2s_mix1_2_2954676_0 using milkyway version 82
12/24/2011 7:26:08 AM | Milkyway@home | Starting task ps_separation_82_2s_mix1_2_2954675_0 using milkyway version 82
12/24/2011 7:26:10 AM | Milkyway@home | Computation for task ps_separation_82_2s_mix1_2_2954675_0 finished
12/24/2011 7:26:10 AM | Milkyway@home | Starting task ps_separation_82_2s_mix1_2_2954674_0 using milkyway version 82
12/24/2011 7:26:11 AM | Milkyway@home | Computation for task ps_separation_82_2s_mix1_2_2954676_0 finished
12/24/2011 7:26:11 AM | Milkyway@home | Starting task ps_separation_82_2s_mix1_2_2954667_0 using milkyway version 82
12/24/2011 7:26:12 AM | Milkyway@home | Computation for task ps_separation_82_2s_mix1_2_2954674_0 finished
Ect.....
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Profilemikey
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Message 52044 - Posted: 24 Dec 2011, 12:43:11 UTC

Go back to the 11.9 drivers, the newer ones are best for gaming not crunching.
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weasel473

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Message 52045 - Posted: 24 Dec 2011, 13:10:30 UTC

Mikey,
Thanks for the advice and quick reply.
Removed the current drivers, installed 11.9
Blasting through WU about 2min 2sec each.
Status says Ready to Report.
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Profilemikey
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Message 52050 - Posted: 25 Dec 2011, 12:08:53 UTC - in response to Message 52045.  

Mikey,
Thanks for the advice and quick reply.
Removed the current drivers, installed 11.9
Blasting through WU about 2min 2sec each.
Status says Ready to Report.


That sounds good! I am out of units on one of my pc's right now so I am not doing as good, it is a project thing not a pc thing.
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ProfileKrohon

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Message 52498 - Posted: 14 Jan 2012, 18:51:20 UTC - in response to Message 52044.  

Go back to the 11.9 drivers, the newer ones are best for gaming not crunching.


No way.
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John Beck

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Message 52531 - Posted: 15 Jan 2012, 22:00:27 UTC

I have a ATI HD 6870 and Milky says that I don't have the necessary computing power? 2TB/s isn't fast enough? I bought my system specifically to work with BOINC projects, and yours is a main one. What do I need to do to get this puppy crunching with your project? Using Catalyst 11.12 made sure I had Open CL SDK 2.6.

Specs are:
MS Windows 7 64-bit SP1
CPU
AMD Phenom II X6 1090T
Thuban 45nm Technology
RAM
8.00 GB Dual-Channel DDR3 @ 535MHz (7-7-7-19)
Motherboard
Gigabyte Technology Co., Ltd. GA-890GPA-UD3H (Socket M2)
Graphics
Generic Non-PnP Monitor (1600x1200@60Hz)
AMD Radeon HD 6800 Series (Sapphire/PCPartner)

1/14/2012 8:00:42 PM | Milkyway@Home | Message from server: An ATI GPU supporting double precision math is required
1/14/2012 8:00:42 PM | Milkyway@Home | Message from server: Your NVIDIA GPU lacks the needed compute capability (1.3, required for double precision math

Other projects are utilizing my 6870 just fine just so ya know. Thanks for the option to be able to help in this project! :) Also let me know if I just need to wait for a new Milkyway update too.
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Len LE/GE

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Message 52548 - Posted: 17 Jan 2012, 0:31:18 UTC - in response to Message 52531.  

AMD Radeon HD 6800 Series (Sapphire/PCPartner)

1/14/2012 8:00:42 PM | Milkyway@Home | Message from server: An ATI GPU supporting double precision math is required

Other projects are utilizing my 6870 just fine just so ya know.


Your 68xx card does not have double precision.
The other projects don't need double precission.
From the 6000 series you would need a 69xx to run MW on it.
See the GPU requirement thread in the number crunching section for more info.
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ProfileBeyond

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Message 52552 - Posted: 17 Jan 2012, 15:34:15 UTC - in response to Message 52531.  
Last modified: 17 Jan 2012, 15:35:17 UTC

Other projects are utilizing my 6870 just fine just so ya know. Thanks for the option to be able to help in this project! :) Also let me know if I just need to wait for a new Milkyway update too.

See this thread, GPU Requirements:

http://milkyway.cs.rpi.edu/milkyway/forum_thread.php?id=2457
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Andrew McFarland
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Message 52553 - Posted: 17 Jan 2012, 18:13:54 UTC - in response to Message 52548.  

AMD Radeon HD 6800 Series (Sapphire/PCPartner)

1/14/2012 8:00:42 PM | Milkyway@Home | Message from server: An ATI GPU supporting double precision math is required

Other projects are utilizing my 6870 just fine just so ya know.


Your 68xx card does not have double precision.
The other projects don't need double precission.
From the 6000 series you would need a 69xx to run MW on it.
See the GPU requirement thread in the number crunching section for more info.


What he said. Here's a page laying out ALL the ATI cards deatails, including which has DP, in nice easy to compare charts.
http://en.wikipedia.org/wiki/Comparison_of_AMD_graphics_processing_units#Northern_Islands_.28HD_6xxx.29_series
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